--- product_id: 599418785 title: "400Pcs Metric Heat Set Insert, M2 M2.5 M3 M4 M5 M6 Female Thread Knurled Nuts Assortment Kit, Brass Threaded Inserts for Plastic and 3D Printing Components (Threaded Inserts Ket)" brand: "ktehloy" price: "€ 45.94" currency: EUR in_stock: true category: "Ktehloy" url: https://www.desertcart.com.cy/products/599418785-400pcs-metric-heat-set-insert-m2-m2-5-m3-m4 store_origin: CY region: Cyprus --- # Withstands 300°C+ heat 400 precision brass inserts 45° knurled torque grip 400Pcs Metric Heat Set Insert, M2 M2.5 M3 M4 M5 M6 Female Thread Knurled Nuts Assortment Kit, Brass Threaded Inserts for Plastic and 3D Printing Components (Threaded Inserts Ket) **Brand:** ktehloy **Price:** € 45.94 **Availability:** ✅ In Stock ## Summary > 🔧 Upgrade your 3D prints with brass inserts that mean business! ## Quick Answers - **What is this?** 400Pcs Metric Heat Set Insert, M2 M2.5 M3 M4 M5 M6 Female Thread Knurled Nuts Assortment Kit, Brass Threaded Inserts for Plastic and 3D Printing Components (Threaded Inserts Ket) by ktehloy - **How much does it cost?** € 45.94 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/599418785-400pcs-metric-heat-set-insert-m2-m2-5-m3-m4) ## Best For - ktehloy enthusiasts ## Why This Product - Trusted ktehloy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Massive 400-Piece Assortment:** A comprehensive kit covering M2 to M6 sizes, ensuring you never run out during critical projects or rapid prototyping sprints. - • **Heat-Resistant Brass Powerhouse:** Engineered to endure scorching 300°C+ without warping or corrosion, perfect for intense 3D printing workflows. - • **Effortless Installation, Zero Fuss:** Heat-set or ultrasonic install with common tools—no countersinking needed—saving you time and hassle on every build. - • **Precision Threading for Rock-Solid Hold:** Fine ISO metric threads with 45° knurling deliver unbeatable torque resistance and zero slippage under pressure. - • **Universal Compatibility Across Plastics:** Seamlessly integrates with PLA, ABS, PETG, and more, making it the go-to fastener for all your thermoplastic and electronics needs. ## Overview This 400-piece Ktehloy brass heat-set insert kit offers premium M2 to M6 threaded nuts designed for plastic and 3D printing components. Crafted from durable, corrosion-resistant brass, these inserts withstand temperatures above 300°C and feature precision 45° knurling for superior torque resistance. Compatible with a wide range of thermoplastics, they install easily via heat or ultrasonic methods, making them an essential fastener solution for professionals demanding reliability and efficiency. ## Description Ktehloy 400Pcs Metric Heat Set Insert, M2 M2.5 M3 M4 M5 M6 Female Thread Knurled Nuts Assortment Kit, Brass Threaded Inserts for Plastic and 3D Printing Components (Threaded Inserts Ket): desertcart.com: Industrial & Scientific ## Features - 【Package Content】- The package includes 400 high-quality metric threaded inserts for plastic heat-setting. With a large quantity available, it meets the needs for connecting numerous 3D printing accessories. The threaded brass inserts are approximately sized at M2 M2.5 M3 M4 M5 M6. Please ensure the nut's size matches your plastic parts effectively. - 【High-Quality Threaded Inserts】- Crafted from top-tier brass materials, these threaded inserts boast outstanding thermal conductivity, corrosion resistance, and durability. They exhibit remarkable resistance against breakage and deformation. Withstanding temperatures exceeding 300°C / 572°F, they easily endure the harsh heat generated during plastic thermal shaping processes. - 【Precision Craftsmanship】- High-precision and clear threading ensures stability and reliability, preventing thread slippage during rotation. The 45-degree angled knurling significantly enhances torque resistance and tensile strength, ensuring a stronger fastening. The embedded nuts feature guiding elements, eliminating the need for countersinking or recessing, making your work more convenient and efficient. - 【Easy to Use】- Brass threaded inserts can be installed into components of a 3D printer through heating or ultrasonic methods, or molded during the injection process. They are also suitable for circuit board assembly and the electronics field. With a common soldering iron, you can easily place them into the holes of 3D prints. - 【Wide Application】 - These inserts are designed for use with all thermoplastics, including materials like PLA, PETG, ABS, PPS, PP, and others. Whether installing them in 3D printed objects, injection-molded plastic parts, automotive plastic casings, or laptop shells, these inserts offer reliable and durable solutions. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CLKDPN65 | | Best Sellers Rank | #1,877 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Nut Inserts | | Brand | Ktehloy | | Color | golden | | Compatible Groove Diameter | 2 millimeters | | Customer Reviews | 4.8 4.8 out of 5 stars (567) | | Drive Style | Spline | | Exterior Finish | Brass | | Fastener Type | Insert | | Finish Types | Unfinished | | Grade Rating | Industrial | | Inside Thread Size | M2 M2.5 M3 M4 M5 M6 | | Item Diameter | 2 millimeters | | Item Dimensions | 6.85 x 3.86 x 0.67 inches | | Manufacturer | Ktehloy | | Material Type | Brass | | Maximum Shear Strength | [HIGH] | | Metal Type | Brass | | Model | Threaded Inserts Kit (400Pcs) | | Number Of Items | 400 | | Number of Pieces | 400 | | Part Number | ket-1 | | Screw Head Style | Flat | | Set Name | M2 M2.5 M3 M4 M5 M6 (400 Piece) | | Size Name | M2 M2.5 M3 M4 M5 M6 | | Thread Class | Fine | | Thread Coverage | Fully Threaded | | Thread Size | M2 M2.5 M3 M4 M5 M6 | | Thread Style | Right Hand | | Thread Type | Iso Metric | | UPC | 726929215744 | | Unit Count | 400 Count | ## Product Details - **Color:** golden - **Exterior Finish:** Brass - **Fastener Type:** Insert - **Material:** Brass - **Thread Size:** M2 M2.5 M3 M4 M5 M6 ## Images ![400Pcs Metric Heat Set Insert, M2 M2.5 M3 M4 M5 M6 Female Thread Knurled Nuts Assortment Kit, Brass Threaded Inserts for Plastic and 3D Printing Components (Threaded Inserts Ket) - Image 1](https://m.media-amazon.com/images/I/91HQ1Owy3rL.jpg) ## Available Options This product comes in different **Model** options. ## Frequently Bought Together - Ktehloy 400Pcs Threaded Inserts, M2 M2.5 M3 M4 M5 M6 Female Thread Metric Knurled Nuts Assortment Kit, Brass Heat Set Insert for Plastic and 3D Printing Components - Kadrick Metric Screw Assortment, 2000PCS Metric Bolt Assortment Kit M2 M3 M4 M5 Machine Screws with Lock & Flat Washers, Grade 10.9 Alloy Steel Hex Socket Button Head Black Screws Nuts and Bolts Kit - 3DZWMAN Vertical Heat Pressing Machine,Heat Set Insert Tool,Brass Inserts 3D Printing,Heat Set Insert tip for Thread Knurled Nut M2/M3/M4/M5/M6(1/4)/M8 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.cy/products/599418785-400pcs-metric-heat-set-insert-m2-m2-5-m3-m4](https://www.desertcart.com.cy/products/599418785-400pcs-metric-heat-set-insert-m2-m2-5-m3-m4) --- *Product available on Desertcart Cyprus* *Store origin: CY* *Last updated: 2026-08-06*